package com.atguigu.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

/**
 * @Author: shikong
 * @Date: 2020/8/4 11:23
 */

@Service
@Slf4j
public class PaymentService {

    public String paymentInfo_OK(Integer id){

        return  "线程池："+Thread.currentThread().getName()+" paymentInfo_OK,id"+id;

    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOut_Fallback",commandProperties = {@HystrixProperty(name="execution.isolation.thread.timeoutInMilliseconds",value="1000")
    })
    public String paymentInfo_TimeOut(Integer id){

        //int i= 10 / 0;
        try {
            Thread.sleep(2600);
        } catch (InterruptedException e) {
         //   e.printStackTrace();
        }
        return  "线程池："+Thread.currentThread().getName()+" paymentInfo_TimeOut,id"+id;

    }

    public String paymentInfo_TimeOut_Fallback(Integer id){

        log.info("降级方法，线程池：{}",Thread.currentThread().getName());
        return  "线程池："+Thread.currentThread().getName()+" paymentInfo_TimeOut,id"+id+" :服务降级方法";

    }

    //服务熔断处理
    //=====服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),// 是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),// 请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"), // 时间窗口期
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"),// 失败率达到多少后跳闸
    })
    public String paymentCircuitBreaker(@PathVariable("id") Integer id)
    {
        if(id < 0)
        {
            throw new RuntimeException("******id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();

        return Thread.currentThread().getName()+"\t"+"调用成功，流水号: " + serialNumber;
    }
    public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id)
    {
        return "id 不能负数，请稍后再试，/(ㄒoㄒ)/~~   id: " +id;
    }
}
